摘要
对 A508-3钢中粒状贝氏体回火转变的研究表明,粒状贝氏体组织具有较高的回火稳定性。回火时板条状贝氏体铁素体基体产生回复及再结晶,并有 Mo_2C 析出;岛状组织中马氏体和奥氏体分解而析出渗碳体。还讨论了显微组织变化对机械性能的影响。
By means of electron microscopy,the tempering transformation ofgranular bainite was investigated in A508-3 steel.The results showed that granular bainite possessed high stability against tempering.Duringtempering the recovery and recrystallization took place and Mo_2C wasprecipitated in the lathy bainite ferrite.In the island structure cementitewas precipitated,as martensite and austenite decomposed in tempering.In addition,the effect of microstructural change on mechanical propertieswas discussed.
出处
《核动力工程》
EI
CAS
CSCD
北大核心
1990年第4期24-28,共5页
Nuclear Power Engineering
